What is the AI community saying about Claude Opus 5.5?

5 independent expert communities mentioned Claude Opus 5.5 between 2026-09-22 and 2026-10-11 in this site's archived topic records: Hacker News, Simon Willison, r/artificial, r/singularity, @stasbekman · X. The latest published topic window records 4 communities: @stasbekman · X, Hacker News, r/artificial, r/singularity (window updated 2026-10-15). Convergence is counted per community, not per feed: one community arriving over three transports counts once. One recorded discussion headline was Opus 5.5 agents discover two room-temperature magnetic semiconductor candidates. A topic mention does not verify the headline's claims or establish agreement on one artefact.

Measured from this site's own curation data, as of 2026-10-11. Every figure above is read from what the pipeline recorded — see how it works.